Home / 5,621.06-7,749.86-4,609.04

Finding the Fourth Proportional to 5,621.06, 7,749.86 and 4,609.04

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Solution

The fourth proportional to 5,621.06, 7,749.86 and 4,609.04 is: 6,354.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,621.06 : 7,749.86 = 4,609.04 : x
  2. Step 2: Convert to fraction form
    5,621.06/7,749.86 = 4,609.04/x
  3. Step 3: Cross multiply
    5,621.06x = 7,749.86 × 4,609.04
  4. Step 4: Simplify right side
    5,621.06x = 35,719,396.53
  5. Step 5: Solve for x
    x = 35,719,396.53/5,621.06
  6. Step 6: Final answer
    x = 6,354.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.